81755575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15647}}^1$

素因数の和:15687

約数の個数: 24

約数和(自身を含む): 116421120

約数和(自身を除く): 34665545

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 15647, 78235, 172117, 297293, 391175, 860585, 1486465, 3270223, 4302925, 7432325, 16351115, 81755575]

約数ペア:

[(1, 81755575), (5, 16351115), (11, 7432325), (19, 4302925), (25, 3270223), (55, 1486465), (95, 860585), (209, 391175), (275, 297293), (475, 172117), (1045, 78235), (5225, 15647)]